كتب ذات صلة

Foul brood of bees

American and European foulbrood in colonies of honey bees in Connecticut

• Pollination of deciduous fruits by bees
  المؤلفون: Vansell, George H. ,  Philp, Guy L.
• Beekeeping for the beginner in California
  المؤلفون: Vansell, George H.

• Utilization of California fruits
  المؤلفون: Cruess, W. V. ,  Marsh, George L.
• Thrips of economic importance in California
  المؤلفون: Bailey, Stanley F.
• The Tangier pea : Lathyrus tingitanus
  المؤلفون: Kennedy, P. Beveridge.